IEEJ Transactions on Electronics, Information and Systems
Online ISSN : 1348-8155
Print ISSN : 0385-4221
ISSN-L : 0385-4221
<Electrical and Electronic Circuit, LSI>
Non-Inverted Buck-Boost Converters with Dual Delta Sigma Modulators
Yasunori KoboriMasashi KonoToshihiko ShimizuHaruo Kobayashi
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2009 Volume 129 Issue 1 Pages 153-158

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Abstract

This paper presents a new control circuit to create high-performance non-inverted Buck-Boost converter with dual ⊿∑ modulations. Experimental load regulation, corresponding to load current steps of ±0.5A, is within 45mVpp, and the efficiency without synchronized rectifier is 83% at input voltage 2.5V and load current 0.8A.

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© 2009 by the Institute of Electrical Engineers of Japan
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